Enigmator error on Lotus Notes 8.5.2

今日為user upgrade Lotus Notes 上 8.5.2 並migrate user data 後, 登入Lotus Notes 後開啟Mailbox 時出現錯誤訊息
"Fail to download Enigmator module files. Please shut down Enigmator System Tray and re-open your mailbox to try again."
其後發現重新執行Enigmator 的安裝檔, 選擇Repair 便可解決問題。